From nobody Wed Oct 1 23:33:46 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 614435695; Thu, 25 Sep 2025 20:27:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758832063; cv=none; b=mrI/YDH4IoVnRt8uoy6GhKWOil15v3K1OS9/2IBZVyFAfEV/b9X9onJADAPmKo73mlTt4JWAyxlJ1Xgjz0qky49z8uf+NpFt2UUYUKIy7SHaCF7pzxd9s0xrj2V0YxYrWYhg4SzEE/ENYAlqC17eIcB2PyUOw/Q38CvpXHUTrcM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758832063; c=relaxed/simple; bh=/wUZUSVzXqtNZ31rc/nwzO9NvxfLuwldDq9ROGmBJvw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DN4Mdzex9RZx7itPaIwDuRAEgdYvmlzBYIfCYQpdNjzCNYJ+bj6gDiT3IQVbQewY+moAwBRvaszLlp9wZcMSli/HeUh04BNOu7Uu6lo7pSWAYVB8K+K1JGxWiEXad/D3C85Li9cVzIRcq5s6NyH5JyG1hdvzRoDBGcpxNYrFeHE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=u9D2PDwk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="u9D2PDwk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C458AC4CEF0; Thu, 25 Sep 2025 20:27:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758832062; bh=/wUZUSVzXqtNZ31rc/nwzO9NvxfLuwldDq9ROGmBJvw=; h=From:To:Cc:Subject:Date:From; b=u9D2PDwkmgjdSzgnChhJQIjUTHNfkHcVsfHyJZIzeWfIDdT/2uKexQdYAKCfbJG8y xc6mVusvEVTSXTLkv7Xl4IPk2fopNhZtcE2Wj3cyEnoucOqxrbMTJcInc89CzwTPPC ifTuWge8ywlVY7XBwVMurer+RILfOPmidK3T4+/4lYqEs7bxREnlzZHEg8JVthHHt7 zUFq19cSWGF3AAKMUOtqybJhWVZm3Zkt+bZ+pctk/Q9aHI7JLVUSw8iTOKwYGRR2SU IMzFQQD4V20mP2JblUkungCtjVjYhWukOUeR7p0BdE9CY7Q/TT54OOZ356c+URc9oL LojsU0G/522tg== From: Bjorn Helgaas To: Linus Walleij Cc: Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Helgaas Subject: [PATCH] PCI: ixp4xx: Guard ARM32-specific hook_fault_code() Date: Thu, 25 Sep 2025 15:26:46 -0500 Message-ID: <20250925202738.2202195-1-helgaas@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Bjorn Helgaas hook_fault_code() is an ARM32-specific API. Guard it and related code with CONFIG_ARM #ifdefs so the driver can be compile tested on other architectures. Signed-off-by: Bjorn Helgaas Acked-by: Linus Walleij --- drivers/pci/controller/pci-ixp4xx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/controller/pci-ixp4xx.c b/drivers/pci/controller/p= ci-ixp4xx.c index acb85e0d5675..9fd401838bad 100644 --- a/drivers/pci/controller/pci-ixp4xx.c +++ b/drivers/pci/controller/pci-ixp4xx.c @@ -214,6 +214,7 @@ static u32 ixp4xx_crp_byte_lane_enable_bits(u32 n, int = size) return 0xffffffff; } =20 +#ifdef CONFIG_ARM static int ixp4xx_crp_read_config(struct ixp4xx_pci *p, int where, int siz= e, u32 *value) { @@ -251,6 +252,7 @@ static int ixp4xx_crp_read_config(struct ixp4xx_pci *p,= int where, int size, =20 return PCIBIOS_SUCCESSFUL; } +#endif =20 static int ixp4xx_crp_write_config(struct ixp4xx_pci *p, int where, int si= ze, u32 value) @@ -470,6 +472,7 @@ static int ixp4xx_pci_parse_map_dma_ranges(struct ixp4x= x_pci *p) return 0; } =20 +#ifdef CONFIG_ARM /* Only used to get context for abort handling */ static struct ixp4xx_pci *ixp4xx_pci_abort_singleton; =20 @@ -509,6 +512,7 @@ static int ixp4xx_pci_abort_handler(unsigned long addr,= unsigned int fsr, =20 return 0; } +#endif =20 static int __init ixp4xx_pci_probe(struct platform_device *pdev) { @@ -555,10 +559,12 @@ static int __init ixp4xx_pci_probe(struct platform_de= vice *pdev) dev_info(dev, "controller is in %s mode\n", p->host_mode ? "host" : "option"); =20 +#ifdef CONFIG_ARM /* Hook in our fault handler for PCI errors */ ixp4xx_pci_abort_singleton =3D p; hook_fault_code(16+6, ixp4xx_pci_abort_handler, SIGBUS, 0, "imprecise external abort"); +#endif =20 ret =3D ixp4xx_pci_parse_map_ranges(p); if (ret) --=20 2.43.0